2-4. Interface
2-53 CLP-621 & CLP-631
[While receiving data]
Note:
BUSY goes “High” at the falling edge of Strobe, and data is latched at the leading edge of
Strobe.
[While receiving PRIME signal]
Note:
If the PRIME signal width is 10
µsec or less, it is not accepted.
BUSY goes to “High” when the PRIME signal is accepted by the printer.
Data0~7
BUSY
0.5µs
0.5µs
0.5µs
Strobe
BUSY
PRIME
SELECT
10~15µsec or more
Ack
Fault